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Wireless Measurement based TFRC for QoS Provisioning over IEEE 802.11  

Pyun Jae young (조선대학교 정보통신공학과 무선및이동통신시스템연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.30, no.4B, 2005 , pp. 202-209 More about this Journal
Abstract
In this paper, a dynamic TCP-friendly rate control (TFRC) is proposed to adjust the coding rates according to the channel characteristics of the wireless-to-wired network consisting of wireless first-hop channel. To avoid the throughput degradation of multimedia flows traveling through wireless lint the proposed rate control system employs a new wireless loss differentiation algorithm (LDA) using packet loss statistics. This method can produce the TCP-friendly rates while sharing the backbone bandwidth with TCP flows over the wireless-to-wired network. Experimental results show that the proposed rate control system can eliminate the effect of wireless losses in flow control of TFRC and substantially reduce the abrupt quality degradation of the video streaming caused by the unreliable wireless link status.
Keywords
TFRC; TCP-friendly; multimedia; flow control;
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Times Cited By KSCI : 1  (Citation Analysis)
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